import java.util.Scanner;

public class Test {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        if(a % 2 == 0){
            System.out.println("偶数");
        }
        else{
            System.out.println("奇数");
        }
    }
}
